Heat exchanger facts for kids
A heat exchanger is a device used to efficiently transfer heat from one fluid to another. The fluids may be separated to avoid direct contact or mixing.
Contents
Types
- Adiabatic wheel heat exchanger
- Double pipe heat exchanger
- Dynamic scraped surface heat exchanger
- Fluid heat exchanger
- Phase-change heat exchanger
- Pillow plate heat exchanger
- Plate and shell heat exchanger
- Plate fin heat exchanger
- Plate heat exchanger
- Shell and tube heat exchanger
- Waste Heat Recovery Unit heat exchanger
Related pages
Images for kids
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Tubular heat exchanger
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Partial view into inlet plenum of shell and tube heat exchanger of a refrigerant based chiller for providing air-conditioning to a building
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A shell and tube heat exchanger
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Shell and tube heat exchanger
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A single plate heat exchanger
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An interchangeable plate heat exchanger directly applied to the system of a swimming pool
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Typical water-cooled surface condenser
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Helical-Coil Heat Exchanger sketch, which consists of a shell, core, and tubes (Scott S. Haraburda design).
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A comparison between the operations and effects of a cocurrent and a countercurrent flow exchange system is depicted by the upper and lower diagrams respectively. In both it is assumed (and indicated) that red has a higher value (e.g. of temperature) than blue and that the property being transported in the channels therefore flows from red to blue. Note that channels are contiguous if effective exchange is to occur (i.e. there can be no gap between the channels).
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A heat exchanger in a steam power station contaminated with macrofouling.
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Fig. 2: Shell and tube heat exchanger, 2-pass tube side (1–2 crossflow)
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Fig. 3: Shell and tube heat exchanger, 2-pass shell side, 2-pass tube side (2-2 countercurrent)
See also
In Spanish: Intercambiador de calor para niños
